1. A Practical Approach to Problems of Parallax In Telescopic Systems

   • G. K. Sachdev

   OriginalPaper 01 December 1979 Pages: 91 - 93

2. Theory of A Monochromator Consisting of A Concave Holographic Diffraction Grating And A Plane Mirror

   • M. V. R. K. Murty
   • N. C. Das

   OriginalPaper 01 December 1979 Pages: 94 - 103

3. Structural Stability in Physics

   • W. Guttinger
   • H. Eikemeier
   • P. K. Ghosh

   Book Review 01 December 1979 Pages: 104 - 105

4. X-Ray Spectroscopy, An Introduction

   • B. K. Agarwal

   Book Review 01 December 1979 Pages: 105 - 105

5. Frontiers in Visual Science

   • S. J. Cool
   • E. L. Smith III
   • A. K. Ghosh

   Book Review 01 December 1979 Pages: 105 - 105